[ale] Upgrade encrypted hard drive

[Edward Holcroft]

This is what I am tending towards. The more I read up the more it looks
like no gain from trying to avoid a re-installation.

Thanks folks.

ed


On Sat, Dec 7, 2013 at 3:32 PM, Jim Kinney <jim.kinney at gmail.com> wrote:

> I would do a fresh install to new drive, put old drive in spare bay or
> external case, unlock and then rsync or cp  home data and configs. If old
> drive is fully updated first the final sync is mostly just user data.
>  On Dec 7, 2013 11:19 AM, "Phil Turmel" <philip at turmel.org> wrote:
>
>> On 12/07/2013 10:48 AM, Edward Holcroft wrote:
>> > Hi all
>> >
>> > On Ubuntu 13.10. Got an encrypted 1TB drive using LVM.  This machine was
>> > installed with full disk encryption and requires a password at boot
>> time. I
>> > need to upgrade to a 2TB drive (actually I don't need to, I just want
>> to).
>> >
>> > From what I have found there is no easy way around this e.g.
>> >
>> > https://help.ubuntu.com/community/ResizeEncryptedPartitions
>> > http://ubuntuforums.org/showthread.php?t=726724
>> >
>> http://askubuntu.com/questions/245112/can-i-disable-full-disk-encryption
>> >
>> > Has anyone faced  this before. So far I have created a disk image of my
>> > encrypted 1TB drive and placed it on a 2TB drive. Took 18 hours. I
>> thought
>> > I would simply use gparted to increase the size, well that, as I now
>> know,
>> > is not possible. So I thought I could "just" decrypt the volume, dd it
>> to
>> > the larger drive and re-encrypt. It's not that simple. You cannot "just"
>> > remove full disk encryption.
>>
>> It would help if you could post a more detailed report of your current
>> disk / partition / LVM / volume layout.  "lsdrv" [1] or "lsblk --tree".
>>
>> > I'm starting to think (and many of the articles suggest this) the
>> fastest
>> > method would be a fresh installation on the new 2TB drive, unless anyone
>> > here can tell me some clever method that will be quicker or easier.
>> >
>> > Even using the instructions I have, the very first step is a puzzler
>> for me:
>> >
>> > http://ubuntuforums.org/showthread.php?t=726724
>> >
>> > "1. Boot a live CD and, using any tool, create a new partition, lets
>> call
>> > it /dev/sda6 , next to and to the left of (after) your crypt."
>> >
>> > How can I create a new partition to the left of my crypt when that
>> space is
>> > already allocated to the boot partition? I have plenty of space open to
>> the
>> > right of my crypt.
>>
>> They were confused: "left of (after)".  I would presume they meant
>> "right of (after)".
>>
>> I don't use ubuntu myself, so I would normally recommend using
>> SystemRescueCD for the procedures involved (lvm and cryptsetup are
>> already present).
>>
>> Phil
>>
>> [1] http://github.com/pturmel/lsdrv
>>
>>
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Edward Holcroft | Madsen Kneppers & Associates Inc.

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